393134017 has 2 divisors, whose sum is σ = 393134018. Its totient is φ = 393134016.

The previous prime is 393134011. The next prime is 393134039. The reversal of 393134017 is 710431393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234978241 + 158155776 = 15329^2 + 12576^2 .

It is a cyclic number.

It is not a de Polignac number, because 393134017 - 2¹¹ = 393131969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 393134017.

It is not a weakly prime, because it can be changed into another prime (393134011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196567008 + 196567009.

It is an arithmetic number, because the mean of its divisors is an integer number (196567009).

Almost surely, 2^393134017 is an apocalyptic number.

It is an amenable number.

393134017 is a deficient number, since it is larger than the sum of its proper divisors (1).

393134017 is an equidigital number, since it uses as much as digits as its factorization.

393134017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 393134017 is about 19827.6074451760. The cubic root of 393134017 is about 732.5661963807.

The spelling of 393134017 in words is "three hundred ninety-three million, one hundred thirty-four thousand, seventeen".